1、在ESX、VMware或vCenter中添加一块新硬盘
2、显示当前磁盘分区
# fdisk -l disk /dev/sda: 21.5 GB,21474836480 bytes,41943040 sectors Units = sectors of 1 * 512 = 512 bytes Sector size (logical/physical): 512 bytes / 512 bytes I/O size (minimum/optimal): 512 bytes / 512 bytes disk label type: dos disk identifier: 0x000a9f38 Device Boot Start End Blocks Id System /dev/sda1 2048 6143 2048 83 Linux /dev/sda2 * 6144 1030143 512000 83 Linux /dev/sda3 1030144 41943039 20456448 8e Linux LVM 3、查看主机总线号 # ls /sys/class/scsi_host host0 host1 host2 # ls -l /sys/block/sda lrwxrwxrwx 1 root root 0 Dec 5 02:30 /sys/block/sda -> ../devices/pci0000:00/0000:00:10.0/host0/target0:0:0/0:0:0:0/block/sda 4、重新扫描SCSI总线来加载设备 # echo "- - -" > /sys/class/scsi_host/host0/scan 5、验证磁盘加载情况 ls -l /sys/block/sdb lrwxrwxrwx 1 root root 0 Dec 5 02:35 /sys/block/sdb -> ../devices/pci0000:00/0000:00:10.0/host0/target0:0:1/0:0:1:0/block/sdb # fdisk -l disk /dev/sda: 21.5 GB,41943040 sectors Units = sectors of 1 * 512 = 512 bytes Sector size (logical/physical): 512 bytes / 512 bytes I/O size (minimum/optimal): 512 bytes / 512 bytes disk label type: dos disk identifier: 0x000a9f38 Device Boot Start End Blocks Id System /dev/sda1 2048 6143 2048 83 Linux /dev/sda2 * 6144 1030143 512000 83 Linux /dev/sda3 1030144 41943039 20456448 8e Linux LVM disk /dev/mapper/cl-root: 9206 MB,9206497280 bytes,17981440 sectors Units = sectors of 1 * 512 = 512 bytes Sector size (logical/physical): 512 bytes / 512 bytes I/O size (minimum/optimal): 512 bytes / 512 bytes disk /dev/mapper/cl-swap: 4294 MB,4294967296 bytes,8388608 sectors Units = sectors of 1 * 512 = 512 bytes Sector size (logical/physical): 512 bytes / 512 bytes I/O size (minimum/optimal): 512 bytes / 512 bytes disk /dev/mapper/cl-var: 3145 MB,3145728000 bytes,6144000 sectors Units = sectors of 1 * 512 = 512 bytes Sector size (logical/physical): 512 bytes / 512 bytes I/O size (minimum/optimal): 512 bytes / 512 bytes disk /dev/mapper/cl-home: 4294 MB,8388608 sectors Units = sectors of 1 * 512 = 512 bytes Sector size (logical/physical): 512 bytes / 512 bytes I/O size (minimum/optimal): 512 bytes / 512 bytes **disk /dev/sdb: 21.5 GB,41943040 sectors Units = sectors of 1 * 512 = 512 bytes Sector size (logical/physical): 512 bytes / 512 bytes I/O size (minimum/optimal): 512 bytes / 512 bytes **
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